XML 51 R35.htm IDEA: XBRL DOCUMENT v3.22.0.1
Investment Securities (Tables)
12 Months Ended
Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
Summary of Amortized Cost and Estimated Fair Value of Investment Securities

The amortized cost and estimated fair value of investment securities are summarized below. The majority of securities held are available-for-sale securities with fair value based on quoted prices for similar assets in active markets or quoted prices for identical assets in markets that are not active. Estimated fair values were obtained from an independent pricing service based upon market quotes.

 

 

December 31, 2021

 

 

Amortized Cost

 

 

Gross Unrealized Holding Gain

 

 

Gross Unrealized Holding Loss

 

 

Fair Value

 

 

Total Percent

 

 

(Dollars in thousands)

 

Investment securities available-for-sale:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mortgage-backed securities

$

2,553,246

 

 

$

25,873

 

 

$

(15,905

)

 

$

2,563,214

 

 

 

80.50

%

CMO/REMIC

 

602,555

 

 

 

1,586

 

 

 

(13,983

)

 

 

590,158

 

 

 

18.53

%

Municipal bonds

 

28,365

 

 

 

1,103

 

 

 

-

 

 

 

29,468

 

 

 

0.93

%

Other securities

 

1,083

 

 

 

-

 

 

 

-

 

 

 

1,083

 

 

 

0.04

%

Total available-for-sale securities

$

3,185,249

 

 

$

28,562

 

 

$

(29,888

)

 

$

3,183,923

 

 

 

100.00

%

Investment securities held-to-maturity:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Government agency/GSE

$

576,899

 

 

$

5,907

 

 

$

(7,312

)

 

$

575,494

 

 

 

29.95

%

Mortgage-backed securities

 

647,390

 

 

 

4,109

 

 

 

(6,106

)

 

 

645,393

 

 

 

33.61

%

CMO/REMIC

 

490,670

 

 

 

596

 

 

 

(5,030

)

 

 

486,236

 

 

 

25.48

%

Municipal bonds

 

211,011

 

 

 

4,714

 

 

 

(1,155

)

 

 

214,570

 

 

 

10.96

%

Total held-to-maturity securities

$

1,925,970

 

 

$

15,326

 

 

$

(19,603

)

 

$

1,921,693

 

 

 

100.00

%

 

 

 

 

December 31, 2020

 

 

 

Amortized
Cost

 

 

Gross
  Unrealized
Holding
Gain

 

 

Gross
  Unrealized
Holding Loss

 

 

Fair Value

 

 

Total
Percent

 

 

 

(Dollars in thousands)

 

Investment securities available-for-sale:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mortgage-backed securities

 

$

1,857,030

 

 

$

48,006

 

 

$

(101

)

 

$

1,904,935

 

 

 

79.41

%

CMO/REMIC

 

 

457,548

 

 

 

5,515

 

 

 

(249

)

 

 

462,814

 

 

 

19.29

%

Municipal bonds

 

 

28,707

 

 

 

1,578

 

 

 

 

 

 

30,285

 

 

 

1.26

%

Other securities

 

 

889

 

 

 

 

 

 

 

 

 

889

 

 

 

0.04

%

Total available-for-sale securities

 

$

2,344,174

 

 

$

55,099

 

 

$

(350

)

 

$

2,398,923

 

 

 

100.00

%

Investment securities held-to-maturity:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Government agency/GSE

 

$

98,663

 

 

$

5,877

 

 

$

 

 

$

104,540

 

 

 

17.05

%

Mortgage-backed securities

 

 

146,382

 

 

 

7,644

 

 

 

(32

)

 

 

153,994

 

 

 

25.30

%

CMO/REMIC

 

 

145,309

 

 

 

5,202

 

 

 

 

 

 

150,511

 

 

 

25.11

%

Municipal bonds

 

 

188,272

 

 

 

6,980

 

 

 

(74

)

 

 

195,178

 

 

 

32.54

%

Total held-to-maturity securities

 

$

578,626

 

 

$

25,703

 

 

$

(106

)

 

$

604,223

 

 

 

100.00

%

Summary of Interest Income Earned on Investment Securities

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax.

 

 

Year Ended December 31,

 

 

 

2021

 

 

2020

 

 

2019

 

 

 

(Dollars in thousands)

 

Investment securities available-for-sale:

 

 

 

 

 

 

 

 

 

Taxable

 

$

37,532

 

 

$

35,129

 

 

$

38,189

 

Tax-advantaged

 

 

741

 

 

 

923

 

 

 

1,141

 

Total interest income from available-for-sale securities

 

 

38,273

 

 

 

36,052

 

 

 

39,330

 

Investment securities held-to-maturity:

 

 

 

 

 

 

 

 

 

Taxable

 

 

17,747

 

 

 

9,542

 

 

 

11,498

 

Tax-advantaged

 

 

4,428

 

 

 

4,681

 

 

 

5,890

 

Total interest income from held-to-maturity securities

 

 

22,175

 

 

 

14,223

 

 

 

17,388

 

Total interest income from investment securities

 

$

60,448

 

 

$

50,275

 

 

$

56,718

 

Summary of Continuous Unrealized Loss Position of Securities

The following table presents the Company’s available-for-sale investment securities, by investment category, in an unrealized loss position for which an allowance for credit losses has not been recorded as of December 31, 2021.

 

 

December 31, 2021

 

 

Less Than 12 Months

 

 

12 Months or Longer

 

 

Total

 

 

Fair Value

 

 

Gross Unrealized Holding Losses

 

 

Fair Value

 

 

Gross Unrealized Holding Losses

 

 

Fair Value

 

 

Gross Unrealized Holding Losses

 

 

(Dollars in thousands)

 

Investment securities available-for-sale:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mortgage-backed securities

$

1,465,647

 

 

$

(15,099

)

 

$

44,244

 

 

$

(806

)

 

$

1,509,891

 

 

$

(15,905

)

CMO/REMIC

 

450,393

 

 

 

(11,515

)

 

 

53,745

 

 

 

(2,468

)

 

 

504,138

 

 

 

(13,983

)

Municipal bonds

 

-

 

 

 

-

 

 

 

-

 

 

 

-

 

 

 

-

 

 

 

-

 

Total available-for-sale securities

$

1,916,040

 

 

$

(26,614

)

 

$

97,989

 

 

$

(3,274

)

 

$

2,014,029

 

 

$

(29,888

)

 

 

 

December 31, 2020

 

 

 

Less Than 12 Months

 

 

12 Months or Longer

 

 

Total

 

 

 

Fair Value

 

 

Gross
  Unrealized
Holding
Losses

 

 

Fair Value

 

 

Gross
  Unrealized
Holding
Losses

 

 

Fair Value

 

 

Gross
  Unrealized
Holding
Losses

 

 

 

(Dollars in thousands)

 

Investment securities available-for-
   sale:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mortgage-backed securities

 

$

72,219

 

 

$

(101

)

 

$

 

 

$

 

 

$

72,219

 

 

$

(101

)

CMO/REMIC

 

 

96,974

 

 

 

(249

)

 

 

 

 

 

 

 

 

96,974

 

 

 

(249

)

Municipal bonds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total available-for-sale securities

 

$

169,193

 

 

$

(350

)

 

$

 

 

$

 

 

$

169,193

 

 

$

(350

)

Summary of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity Mortgage-backed and CMO/REMIC securities are included in maturity categories based upon estimated average lives which incorporate estimated prepayment speeds.

 

 

December 31, 2021

 

 

Available-for-sale

 

 

Held-to-maturity

 

 

Amortized Cost

 

 

Fair Value

 

 

Amortized Cost

 

 

Fair Value

 

 

 

 

 

(Dollars in thousands)

 

 

 

 

Due in one year or less

$

18,887

 

 

$

19,073

 

 

$

5,586

 

 

$

5,701

 

Due after one year through five years

 

1,731,066

 

 

 

1,744,199

 

 

 

402,803

 

 

 

405,175

 

Due after five years through ten years

 

1,079,941

 

 

 

1,074,606

 

 

 

901,078

 

 

 

893,932

 

Due after ten years

 

355,355

 

 

 

346,045

 

 

 

616,503

 

 

 

616,885

 

Total investment securities

$

3,185,249

 

 

$

3,183,923

 

 

$

1,925,970

 

 

$

1,921,693